Gap finder

Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

75,239 questions in 5,342 reviews

current versions
No studies 15,213 · 20.2%Ungraded 10,323 · 13.7%Very low 17,528 · 23.3%Low 17,951 · 23.9%Moderate 11,190 · 14.9%High 3,034 · 4%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Multidisciplinary interventions vs care
RTW · people with cancer
Non‐medical interventions to enhance return to work for people with cancer (2024) · Cochrane
RR 1.23 [1.09, 1.33]6 studies · 497 participantsModerate
Multidisciplinary interventions vs care
QoL · people with cancer
Non‐medical interventions to enhance return to work for people with cancer (2024) · Cochrane
no estimate extracted3 studies · 378 participantsLow
Summary of findings table ‐ Therapeutic exercise vs no treatment
Cobb angle · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted2 studies · 52 participantsVery low
Summary of findings table ‐ Therapeutic exercise plus non‐surgical intervention vs non‐surgical intervention
Angle of trunk rotation – PSSE plus other non‐surgical vs other non‐surgical · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted1 study · 18 participantsVery low
Summary of findings table ‐ Therapeutic exercise plus non‐surgical intervention vs non‐surgical intervention
Subjective evaluation (SAQ General) – PSSE plus bracing vs bracing alone · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted1 study · 34 participantsLow
Summary of findings table ‐ Therapeutic exercise plus non‐surgical intervention vs non‐surgical intervention
Subjective evaluation (SRS‐22 Self‐Image) – PSSE plus bracing vs bracing · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted1 study · 34 participantsLow
Summary of findings table ‐ Therapeutic exercise plus non‐surgical intervention vs non‐surgical intervention
Quality of life (SRS‐22 Total score) – PSSE plus bracing vs bracing · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted1 study · 34 participantsLow
Summary of findings table ‐ Therapeutic exercise vs bracing
Cobb angle – PSSE vs bracing · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted1 study · 60 participantsVery low
Summary of findings table ‐ Therapeutic exercise vs bracing
Subjective surface measurements (SRS‐22 Self‐Image) – PSSE vs bracing · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted1 study · 60 participantsVery low
Summary of findings table ‐ Therapeutic exercise vs bracing
Quality of life (SRS‐22 Total score) – PSSE vs bracing · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted1 study · 60 participantsVery low
Summary of findings table ‐ Physiotherapeutic scoliosis‐specific exercises (PSSE) vs general therapeutic exercises (GTE)
Cobb angle · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted4 studies · 192 participantsVery low
Summary of findings table ‐ Physiotherapeutic scoliosis‐specific exercises (PSSE) vs general therapeutic exercises (GTE)
Angle of trunk rotation · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted2 studies · 138 participantsModerate
Summary of findings table ‐ Physiotherapeutic scoliosis‐specific exercises (PSSE) vs general therapeutic exercises (GTE)
Number progressed > 5° Cobb angle · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
RR 0.19 [0.07, 0.52]1 study · 110 participantsLow
Summary of findings table ‐ Therapeutic exercise vs no treatment
Angle of trunk rotation · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted1 study · 45 participantsLow
Summary of findings table ‐ Physiotherapeutic scoliosis‐specific exercises (PSSE) vs general therapeutic exercises (GTE)
Subjective surface measurement · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted3 studies · 168 participantsVery low
Summary of findings table ‐ Physiotherapeutic scoliosis‐specific exercises (PSSE) vs general therapeutic exercises (GTE)
Quality of life (SRS‐22 Total score) · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted3 studies · 168 participantsVery low
Summary of findings table ‐ Therapeutic exercise vs no treatment
Objective surface measurements (waist asymmetry) · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted1 study · 45 participantsLow
Summary of findings table ‐ Therapeutic exercise vs no treatment
Subjective evaluation (SAQ General) · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted1 study · 16 participantsLow
Summary of findings table ‐ Therapeutic exercise vs no treatment
Subjective evaluation (SRS‐22 Self‐Image) · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted1 study · 16 participantsLow
Summary of findings table ‐ Therapeutic exercise vs no treatment
Quality of life (SRS‐22 Total score) · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted2 studies · 61 participantsLow
Summary of findings table ‐ Therapeutic exercise plus non‐surgical intervention vs non‐surgical intervention
Cobb angle ‐ PSSE plus bracing vs bracing · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted2 studies · 84 participantsLow
Summary of findings table ‐ Therapeutic exercise plus non‐surgical intervention vs non‐surgical intervention
Cobb angle – PSSE plus other non‐surgical vs non‐surgical · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted1 study · 18 participantsVery low
Summary of findings table ‐ Therapeutic exercise plus non‐surgical intervention vs non‐surgical intervention
Cobb angle ‐ GTE plus other non‐surgical vs non‐surgical · adolescents with idiopathic scoliosis
Therapeutic exercises for idiopathic scoliosis in adolescents (2024) · Cochrane
no estimate extracted1 study · 80 participantsLow
Surfactant administration via laryngeal mask airway (S‐LMA) vs surfactant administration via endotracheal tube (ETT) with the intent to rapidly extubate (InSurE)
Death or bronchopulmonary dysplasia · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
RR 1.5 [0.27, 8.34]2 studies · 110 participantsLow
Surfactant administration via laryngeal mask airway (S‐LMA) vs surfactant administration via endotracheal tube (ETT) with extubation at standard criteria (S‐ETT)
Pulmonary air leak, any (during first hospitalisation) Anytime to discharge · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
RR 2.56 [0.11, 59.75]1 study · 48 participantsVery low
Surfactant administration via laryngeal mask airway (S‐LMA) vs surfactant administration via endotracheal tube (ETT) with extubation at standard criteria (S‐ETT)
Bronchopulmonary dysplasia (clinical definition) among survivors · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
no estimate extractedNRNo studies
Surfactant administration via laryngeal mask airway (S‐LMA) vs surfactant administration via endotracheal tube (ETT) with extubation at standard criteria (S‐ETT)
Intraventricular haemorrhage grade III and IV Anytime to discharge · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
RR 2.56 [0.11, 59.75]1 study · 48 participantsVery low
Surfactant administration via laryngeal mask airway (S‐LMA) vs surfactant administration via endotracheal tube (ETT) with extubation at standard criteria (S‐ETT)
Death (all causes) during the first hospitalisation Anytime to discharge · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
RR 0.17 [0.01, 3.37]1 study · 48 participantsVery low
Surfactant administration via laryngeal mask airway (S‐LMA) vs surfactant administration via endotracheal tube (ETT) with extubation at standard criteria (S‐ETT)
Neurosensory disability in survivors · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
no estimate extractedNRNo studies
Surfactant administration via laryngeal mask airway (S‐LMA) vs no surfactant administration
Death or bronchopulmonary dysplasia · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
RR 1.65 [0.85, 3.22]2 studies · 129 participantsLow
Surfactant administration via laryngeal mask airway (S‐LMA) vs no surfactant administration
Mechanical ventilation at any time At any time to discharge · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
RR 0.57 [0.38, 0.85]2 studies · 129 participantsModerate
Surfactant administration via laryngeal mask airway (S‐LMA) vs no surfactant administration
Pulmonary air leak, any (during first hospitalisation) Anytime to discharge · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
RR 0.65 [0.23, 1.88]2 studies · 129 participantsLow
Surfactant administration via laryngeal mask airway (S‐LMA) vs no surfactant administration
Bronchopulmonary dysplasia (clinical definition) among survivors · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
RR 1.65 [0.85, 3.22]2 studies · 129 participantsLow
Surfactant administration via laryngeal mask airway (S‐LMA) vs no surfactant administration
Intraventricular haemorrhage grade III and IV Anytime to discharge · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
no estimate extracted1 study · 103 participantsVery low
Surfactant administration via laryngeal mask airway (S‐LMA) vs surfactant administration via endotracheal tube (ETT) with the intent to rapidly extubate (InSurE)
Mechanical ventilation at any time Any time to discharge · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
RR 0.53 [0.36, 0.78]5 studies · 333 participantsLow
Surfactant administration via laryngeal mask airway (S‐LMA) vs no surfactant administration
Death (all causes) during the first hospitalisation Anytime to discharge · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
no estimate extracted1 study · 103 participantsVery low
Surfactant administration via laryngeal mask airway (S‐LMA) vs no surfactant administration
Neurosensory disability in survivors · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
no estimate extractedNRNo studies
Surfactant administration via laryngeal mask airway (S‐LMA) vs surfactant administration via endotracheal tube (ETT) with the intent to rapidly extubate (InSurE)
Pulmonary air leak, any (during first hospitalisation) Anytime to discharge · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
RR 1.39 [0.65, 2.98]5 studies · 333 participantsLow
Surfactant administration via laryngeal mask airway (S‐LMA) vs surfactant administration via endotracheal tube (ETT) with the intent to rapidly extubate (InSurE)
Bronchopulmonary dysplasia (clinical definition) among survivors · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
RR 1.28 [0.47, 3.52]4 studies · 264 participantsLow
Surfactant administration via laryngeal mask airway (S‐LMA) vs surfactant administration via endotracheal tube (ETT) with the intent to rapidly extubate (InSurE)
Intraventricular haemorrhage grade III and IV Anytime to discharge · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
no estimate extracted1 study · 50 participantsVery low
Surfactant administration via laryngeal mask airway (S‐LMA) vs surfactant administration via endotracheal tube (ETT) with the intent to rapidly extubate (InSurE)
Death (all causes) during the first hospitalisation Anytime to discharge · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
RR 0.28 [0.01, 6.6]3 studies · 203 participantsLow
Surfactant administration via laryngeal mask airway (S‐LMA) vs surfactant administration via endotracheal tube (ETT) with the intent to rapidly extubate (InSurE)
Neurosensory disability in survivors · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
no estimate extractedNRNo studies
Surfactant administration via laryngeal mask airway (S‐LMA) vs surfactant administration via endotracheal tube (ETT) with extubation at standard criteria (S‐ETT)
Death or bronchopulmonary dysplasia · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
no estimate extractedNRNo studies
Surfactant administration via laryngeal mask airway (S‐LMA) vs surfactant administration via endotracheal tube (ETT) with extubation at standard criteria (S‐ETT)
Mechanical ventilation at any time Any time to discharge · preterm infants with or at risk of respiratory distress syndrome
Laryngeal mask airway surfactant administration for prevention of morbidity and mortality in preterm infants… (2024) · Cochrane
RR 0.47 [0.31, 0.71]1 study · 48 participantsLow
Summary of findings table ‐ GABA‐analogues vs placebo
Pruritus · health problem or population
Pharmacological interventions for pruritus in adult palliative care patients (2024) · Cochrane
no estimate extracted5 studies · 297 participantsModerate
Summary of findings table ‐ Gabapentin vs pregabalin
Risk for at least one adverse event per patient · patients with chronic kidney disease (CKD) pruritus
Pharmacological interventions for pruritus in adult palliative care patients (2024) · Cochrane
RR 4.7 [0.21, 104.14]2 studies · 122 participantsVery low
Summary of findings table ‐ Kappa‐opioid agonists vs placebo
Pruritus · patients with chronic kidney disease (CKD) pruritus
Pharmacological interventions for pruritus in adult palliative care patients (2024) · Cochrane
no estimate extracted6 studies · 1292 participantsHigh
Summary of findings table ‐ Kappa‐opioid agonists vs placebo
Quality of life ‐ not measured · patients with chronic kidney disease (CKD) pruritus
Pharmacological interventions for pruritus in adult palliative care patients (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Kappa‐opioid agonists vs placebo
Patient satisfaction ‐ not measured · patients with chronic kidney disease (CKD) pruritus
Pharmacological interventions for pruritus in adult palliative care patients (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Kappa‐opioid agonists vs placebo
Depression ‐ not measured · patients with chronic kidney disease (CKD) pruritus
Pharmacological interventions for pruritus in adult palliative care patients (2024) · Cochrane
no estimate extractedNRNo studies